RUMP_F_FSIN
#define RUMP_F_FSINOUT (RUMP_F_FSIN | RUMP_F_FSOUT)
#define RUMP__FCNR(c, t) RUMP__FCN(RUMP_F_FSIN, (c), (int)sizeof(t))
#define RUMP__FCNR_FSPRIV(f, c, t) RUMP__FCN_FSPRIV(RUMP_F_FSIN, (f), (c), (int)sizeof(t))